ATT today announced its value-packed lineup of Black Friday and Cyber Monday deals as well as device promotions running now through the end of the year. The online holiday promotions kicking off Friday, Nov. 23 at 12:01 a.m. ET and continuing all weekend long until the last chime on Monday, Nov. 26, while supplies last.

To see all these great deals, and even more gift ideas from AT&T this holiday, visit att.com/giftcenter

Here are more device deals beyond this week and weekend:

Windows 8 Wonderland. AT&T is thrilled to deliver great pricing on some of its newest Windows 8 smartphones and tablets--all with 4G LTE connectivity. With a two-year agreement, smartphone shoppers can choose from the Nokia Lumia 920, an AT&T exclusive, for $99.99; the value-packed Nokia Lumia 820 for $49.99; or the Windows Phone 8X by HTC--either the 16GB model for $199.99 or the AT&T exclusive 8GB model for $99.99. And for those seeking a great deal on tablets, customers can buy any Windows Phone and get $100 off the ASUS VivoTab RT, which is available exclusively at AT&T this season. A two-year data plan is required.

Smart and Seasonal Samsung Special. For a limited time, buy any Samsung Galaxy smartphone and receive up to $100 off a second connected Samsung device, including the new Windows 8-supported Samsung ATIV smart PC, available exclusively at AT&T this holiday season, and the new Samsung Galaxy Camera.

Pick A Tablet, Any Tablet, and Put It Under the Tree. AT&T holiday shoppers can enjoy $100 off any tablet, regardless of carrier or operating system, purchased from an AT&T company-owned store or online at att.com or at selected agents or retailers.